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git.proxmox.com Git - ceph.git/blob - ceph/src/boost/libs/gil/example/convolve2d.cpp
3 #include <boost/gil/extension/numeric/kernel.hpp>
4 #include <boost/gil/extension/numeric/convolve.hpp>
5 #include <boost/gil/extension/io/png.hpp>
7 #include <boost/gil/extension/io/jpeg.hpp>
8 using namespace boost::gil
;
13 //read_image("test_adaptive.png", img, png_tag{});
14 //gray8_image_t img_out(img.dimensions());
17 read_image("src_view.png", img
, png_tag
{});
18 gray8_image_t
img_out(img
.dimensions()), img_out1(img
.dimensions());
20 std::vector
<float> v(9, 1.0f
/ 9.0f
);
21 detail::kernel_2d
<float> kernel(v
.begin(), v
.size(), 1, 1);
22 detail::convolve_2d(view(img
), kernel
, view(img_out1
));
24 //write_view("out-convolve2d.png", view(img_out), png_tag{});
25 write_view("out-convolve2d.png", view(img_out1
), jpeg_tag
{});
28 //------------------------------------//
29 std::vector
<float> v1(3, 1.0f
/ 3.0f
);
30 kernel_1d
<float> kernel1(v1
.begin(), v1
.size(), 1);
32 detail::convolve_1d
<gray32f_pixel_t
>(const_view(img
), kernel1
, view(img_out
), boundary_option::extend_zero
);
33 write_view("out-convolve_option_extend_zero.png", view(img_out
), png_tag
{});
35 if (equal_pixels(view(img_out1
), view(img_out
)))cout
<< "convolve_option_extend_zero" << endl
;